Posted by yvonne on Friday, January 28, 2011 at 9:04pm.
on saturday you earn half as much as you do on sunday but twice as much as you do on friday. during the 3 days you $70. how much did you earn each day

math  Damon, Friday, January 28, 2011 at 9:07pm
x = friday
2x = saturday
2(2x) = 4x = Sunday
1x+2x+4x = 7x
7x = 70
x = 10 friday
2x = 20 = saturday
4x = 40 = sunday

math  helper, Friday, January 28, 2011 at 9:17pm
Assuming you earn a total of $70.
x = amt earned Sat
2x = amt earned Sun
1/2 x = amt earned Fri
x + 2x + 1/2 x = 70
Solve for x
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